Computer Architecture and Organization Set - 1

 

Question 1:

Where does a computer add and

compare data?

a. Hard disk

b. Floppy disk

c. CPU chip

d. Memory chip

 

Question 2:

Which of the following registers is used

to keep track of address of the

memory location where the

next instruction is located?

a. Memory Address Register

b. Memory Data Register

c. Instruction Register

d. Program Register

 

Question 3:

A complete microcomputer system

consists of

a. microprocessor

b. memory

c. peripheral equipment

d. all of above

 

Question 4:

CPU does not perform the operation

a. data transfer

b. logic operation

c. arithmetic operation

d. all of above

 

Question 5:

Pipelining strategy is called implement

a. instruction execution

b. instruction prefetch

c. instruction decoding

d. instruction manipulation

 

Question 6:

A stack is

a. an 8-bit register in the

microprocessor

b. a 16-bit register in the

microprocessor

c. a set of memory locations in R/WM

reserved for storing information

temporarily during the execution of

computer

d. a 16-bit memory address stored in

the program counter

 

Question 7:

A stack pointer is 

a. a 16-bit register in the

microprocessor that indicate the

beginning of the stack memory.

b. a register that decodes and

executes 16-bit arithmetic expression.

c. The first memory location where a

subroutine address is stored.

d. a register in which flag bits are

stored

 

Question 8:

The branch logic that provides decision

making capabilities in the control unit

is known as

a. controlled transfer

b. conditional transfer

c. unconditional transfer

d. none of above

 

Question 9:

Interrupts which are initiated by

an instruction are

a. internal

b. external

c. hardware

d. software

 

Question 10:

A time sharing system imply

a. more than one processor in the

system

b. more than one program in memory

c. more than one memory in the

system

d. None of above

 

Answers:

 

1. c

2. d

3. d

4. d

5. b

6. c

7. a

8. c

9. d

10. b

Computer Architecture and Organization Set - 2

 

Question 1:

Processors of all computers, whether

micro, mini or mainframe must have 

a. ALU

b. Primary Storage

c. Control unit

d. All of above

 

Question 2:

What is the control unit's function in

the CPU?

a. To transfer data to primary storage

b. to store program instruction

c. to perform logic operations

d. to decode program instruction

 

Question 3:

What is meant by a dedicated

computer?

a. which is used by one person only

b. which is assigned to one and only

one task

c. which does one kind of software

d. which is meant for application

software only

 

Question 4:

The most common addressing

techiniques employed by a CPU is

a. immediate

b. direct

c. indirect

d. register

e. all of the above

 

Question 5:

Pipeline implement

a. fetch instruction

b. decode instruction

c. fetch operand

d. calculate operand

e. execute instruction

f. all of abve

 

Question 6:

Which of the following code is used in

present day computing was developed

by IBM corporation?

a. ASCII

b. Hollerith Code

c. Baudot code

d. EBCDIC code

 

Question 7:

When a subroutine is called, the

address of the instruction following the

CALL instructions stored in/on the

a. stack pointer

b. accumulator

c. program counter

d. stack

 

Question 8:

A microprogram written as string of 0's

and 1's is a 

a. symbolic microinstruction

b. binary microinstruction

c. symbolic microprogram

d. binary microprogram

 

Question 9:

Interrupts which are initiated by

an instruction are

a. internal

b. external

c. hardware

d. software

 

Question 10:

Memory access in RISC architecture is

limited to instructions

a. CALL and RET

b. PUSH and POP

c. STA and LDA

d. MOV and JMP

 

 

Answers:

1. d      2. d     3. b     4. e      5. f      6.

d     7. d     8. d     9. b    10. c

Computer Architecture and Organization Set - 3

 

Question 1:A collection of 8 bits is called

a. byte

b. word

c. record

 

Question 2:

The ascending order or a data Hierarchy is 

a. bit - bytes - fields - record - file - database

b. bit - bytes - record - field - file - database

c. bytes - bit- field - record - file - database

d. bytes -bit - record - field - file - database

 

Question 3:

How many address lines are needed to address each memory locations in a 2048 x 4 memory chip?

a. 10

b. 11

c. 8

d. 12 

 

Question 4:

A computer program that converts an entire program into machine language at one time is called a/an

a. interpreter

b. simulator

c. compiler

d. commander 

 

Question 5:

In immediate addressing the operand is placed

a. in the CPU register

b. after OP code in the instructionc. in memory

d. in stack  

Question 6:

Microprocessor 8085 can address location upto 

a. 32K

b. 128K

c. 64K

d. 1M

 

Question 7:

The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called?

a. monochip

b. microprocessor

c. ALU

d. control unit 

 

Question 8:

When the RET instruction at the end of subroutine is executed,

a. the information where the stack is iniatialized is transferred to the stack pointer

b. the memory address of the RET instruction is transferred to the program counterc. two data bytes stored in the top two locations of the stack are transferred to the program counter

d. two data bytes stored in the top two locations of the stack are transferred to the stack pointer

 

Question 9:

A microporgram is sequencer perform the operation  

a. read

b. write

c. execute

d. read and write

e. read and execute

 

Question 10:

Interrupts which are initiated by an I/O drive are

a. internal

b. external

c. software

d. all of above 

 

 Answers:

1. a      2. a     3. b     4. c      5.b      6.c     7.b      8.c      9.e     10.b